The most frequently used laxatives around the world are made from herbs, and senna extract is the most popular one. Senna, also known by the botanical names Cassia angustifolia and Cassia senna, has been used as a laxative for centuries. Side effects are possible, and there are guidelines and warnings related to its use.
How Senna Works
Senna extract is used to relieve constipation. Senna is classified as a stimulant laxative because it works by stimulating muscle contractions in the bowels. The substances in senna that cause bowel contractions are known as sennosides. Senna also causes the bowel to secrete fluid that softens stool, which contributes to its laxative effect. Senna is considered reliable and effective. It is available by prescription and over the counter.
Recommended Dose
For relief of constipation, 20 to 60 mg of sennosides per day for no longer than 10 days is recommended, according to PeaceHealth. When using over-the-counter products containing senna extract, carefully follow the instructions on the label. If you use a prescription formula, follow your doctor's instructions. If senna fails to relieve your constipation, notify a medical professional.
Warnings
Notify your doctor before using senna if you are experiencing vomiting, stomach pain, intestinal blockage or appendicitis, or if you are pregnant or breastfeeding. Senna should not be given to children under 10, or be taken by people with Crohn's disease or ulcerative colitis. Some people abuse laxatives in an attempt to lose weight. Senna and other stimulant laxatives can be very dangerous when abused, potentially leading to organ failure, heart attack and death.
Side Effects
Senna extract can produce side effects that include lower abdominal cramps, abdominal discomfort and bloating. These are common side effects that don't need to be reported to your physician unless they concern you.
Serious Adverse Reactions
Do not use senna longer than directed. With long-term use, senna can become habit-forming, causing a dependence on it to have a bowel movement. Long-term use can also injure the bowel. Senna can also cause diarrhea, which may seriously disrupt the balance of fluids and electrolytes in your body and have harmful effects on your heart. Report symptoms of muscular weakness and nausea and vomiting immediately. Long-term use of senna can also cause malnutrition.
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